What is the equation of a circle with a center at (-4, 0)
that passes through the point (-2, 1)?

x^2 + (y + 4)2 =
(x-1)^2 + (y + 2)2 =

(x + 4)^2 + y^2 =

(x + 2)^2 + (y - 1)^2 =

The circumference of a redwood tree trunk is 20π ft, and it is 100 ft tall. what is the approximate volume of the redwood tree trunk? 1,000π ft3 10,000π ft3 4,000π ft3 40,000π ft3

What is the absolute value of the complex number -4-sqrt2i

Which function has the domain x> -11